Addition & Subtraction up to 1000

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Master addition and subtraction with three-digit numbers! These interactive games help Grade 3 students build fluency with regrouping, borrowing, and mental math strategies. We focus on 3-digit numbers, understanding place value, and mastering the tricky skills of regrouping (carrying and borrowing).

3-Digit Addition with Regrouping

Practice adding three-digit numbers. These interactive exercises help students visualize carrying over to the tens and hundreds columns

3-Digit Subtraction with Regrouping

Subtracting across zeros and borrowing can be tough! Use our visual tools to master 3-digit subtraction step-by-step.